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<TITLE>Scheme 48 Manual -- Introduction</TITLE>

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<EM>Scheme 48 Manual</EM> | <A HREF="s48manual.html#top_node">Contents</A> | In Chapter: <A HREF="s48manual.html">Top</A><BR>Previous: <A HREF="s48manual_1.html">Acknowledgements</A> | Next: <A HREF="s48manual_3.html">User's guide</A>
<H1>Introduction</H1>
<P>Scheme&nbsp;48 is an implementation of the Scheme programming language as
described in the Revised<I><sup>5</sup></I> Report on the Algorithmic Language
 Scheme&nbsp;<A HREF="s48manual_90.html#R5RS">[6]</A>.
It is based on a compiler and interpreter for a virtual Scheme
machine.  Scheme&nbsp;48 tries to be faithful to the Revised<I><sup>5</sup></I> Scheme
Report, providing neither more nor less in the initial user
environment.  (This is not to say that more isn't available in other
environments; see below.)
<P>Scheme&nbsp;48 is under continual development.
Please report bugs, especially in the VM, especially core dumps, to
scheme-48-bugs@s48.org.  Include the version number x.yy
from the "Welcome to Scheme&nbsp;48 x.yy" greeting message in your bug
report.  It is a goal of this project to produce a bullet-proof
system; we want no bugs and, especially, no crashes.  (There are a few
known bugs, listed in the <TT>doc/todo.txt</TT> file that comes with the
distribution.)
<P>Send mail to scheme-48-request@s48.org to be put on a
mailing list for announcements, discussion, bug reports, and bug
fixes.
<P>The name `Scheme&nbsp;48' commemorates our having written the original version
 in forty-eight hours, on August 6th and 7th, 1986.
<P><P>
  
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